Photocatalytic degradation of p-nitrophenol by zinc oxide particles-Reference-Cited by-同舟云学术

Photocatalytic degradation of p-nitrophenol by zinc oxide particles

Published:2012-05-01 Issue:10 Volume:65 Page:1882-1886
ISSN:0273-1223
Container-title:Water Science and Technology
language:en
Short-container-title:

Author:

Sugiyama M.¹,Salehi Z.²,Tokumura M.¹,Kawase Y.¹

Affiliation:

1. Department of Applied Chemistry, Toyo University, Kawagoe, Saitama 350-8585, Japan

2. Chemical Engineering Department, Amirkabir University of Technology, Tehran, Iran

Abstract

The degradation of p-nitrophenol (PNP) by ZnO particles has been studied. With increasing PNP loading the degradation rate decreased. The mineralization of PNP was rather slow compared with the degradation. With a decrease in particle diameter or an increase in surface area, the degradation rate significantly increased. The degradation capability with solar irradiation was found to be superior to UV light irradiation. It was found that 30 mg L−1 of PNP was completely degraded by solar light with the accumulated UV light of around 23 kJ L−1 at ZnO dosage of 5 g L−1. The degradation PNP by ZnO with UV light or solar light was faster than that by TiO2.

Publisher

IWA Publishing

Subject

Water Science and Technology,Environmental Engineering

Link

http://iwaponline.com/wst/article-pdf/65/10/1882/442019/1882.pdf

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